I think it’s safe to say that what Walter Isaacson and Steven Brill started — a wave of newspaper websites putting up “metered paywalls” where there’s a subscription or membership fee required for site visitors who want to read more than X number of articles per month — has taken hold in a big way….

Plenty of people have commented on David Carr’s piece in the New York Times, “Let’s Make an iTunes Model for News.” I’ll try not to repeat arguments already well made by others. (Rich Gordon has done a nice job refuting Carr’s ideas on Poynter’s E-Media Tidbits; also see Mathew Ingram’s trashing of Carr’s idea.) Carr’s…